| Engine Family | Gen 3 Hemi |
|---|---|
| CID/Ltr | 420/6.9 |
| Bore Inch | 4.065 |
| Bore mm | 103.25 |
| Stroke Inch | 4.05 |
| Stoke mm | 102.87 |
| Rod Length | 6.125 |
| Comp Dist | 1.1 |
| Crown Volume | -3.5cc |
| CR 1 | 12.0 @ 65cc |
| CR 2 | 11.0 @ 74cc |
| CR 3 | 9.8 @ 85cc |
| Alloy | 4032 |
| Weight | 436 |
| Pin | 0.984 |
| Oil Rails Included | Yes |
| Top Ring | 1.2mm |
| 2nd Ring | 1.2mm |
| Oil Ring HT | 3.0mm |
| Piston Style | Dome |
AutoTec, Gen 3 Hemi, Dome, 4.065 Bore 4.050 Stroke 1.100 Comp HT
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